Gebr. Happich GmbH
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 10, 1996 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 815 Total Citation Count
- Oct 05, 1977 Earliest Filing
- 48 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5582683 Method for the recovery of chemical values from black liquor in multiple streams of different chemical valuesExpiredApr 19, 94Dec 10, 96[D21C]
5492258 Cross support for roof loads on a motor vehicle provided with roof railingsExpiredAug 09, 94Feb 20, 96[B60R]
5225068 Method of compacting an anodically produced layer of oxide on parts of aluminum or aluminum alloyExpiredNov 27, 91Jul 06, 93[C25D]
5102508 Method of producing colored surfaces on parts of aluminum or aluminum alloyExpiredMay 23, 90Apr 07, 92[C25D, C25F]
5009756 Chemical method of avoiding a rainbow effect caused by the layer of oxide produced upon the brightening of parts of aluminum or aluminum alloysExpiredMay 23, 90Apr 23, 91[C25D, C25F]
4720132 Electrically conductive stiffening wire for a sun visor for vehiclesExpiredJan 15, 87Jan 19, 88[B60J]
4719067 Method and apparatus for forming end pieces on plastic molding stripsExpiredMay 24, 85Jan 12, 88[B29C]
4667979 Cushioning member for the interior of an automotive vehicleExpiredJan 03, 86May 26, 87[B60R]
4646879 Air duct, or the like, for instrument panel for automotive vehiclesExpiredAug 12, 85Mar 03, 87[B60K]
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